无定形石墨砂在铜合金铸造中的应用研究

The Study of Crypto-crystalline Graphite Sand Applicated in Cu Alloys Catsing

石墨砂是一种新型的铸造用砂．研究了石墨砂对铸铜合金组织与性能的影响，并将石墨砂应用于青铜阀体铸件的生产中，取得了良好的效果．

Crypto-crystalline graphite sand is a new kind of casting sand. The influence of graphite sand on the microstructure and properties of Cu alloys casting were studied and the crypto-crystalline graphite sand was applicated in the cast Cu alloys production successfully.